EP4368643A4 - Gel constitué de billes à l'acide hyaluronique à gonflement élevé - Google Patents

Gel constitué de billes à l'acide hyaluronique à gonflement élevé

Info

Publication number: EP4368643A4
Authority: EP; European Patent Office
Prior art keywords: hyaluronic acid; highly swellable; acid specimen; gel; specimen gel
Prior art date: 2021-01-05
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Pending

Application number

EP21949450.7A

Other languages

German (de)

English (en)

Other versions

EP4368643A1 (fr

Inventor

Sang Uk Woo

Kwang Yong Cho

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Yu Co Ltd

Original Assignee

Yu Co Ltd

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2021-01-05

Filing date

2021-12-22

Publication date

2025-07-09

2021-12-22 Application filed by Yu Co Ltd filed Critical Yu Co Ltd

2024-05-15 Publication of EP4368643A1 publication Critical patent/EP4368643A1/fr

2025-07-09 Publication of EP4368643A4 publication Critical patent/EP4368643A4/fr

Status Pending legal-status Critical Current

Links

Classifications

- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/006—Heteroglycans, i.e. polysaccharides having more than one sugar residue in the main chain in either alternating or less regular sequence; Gellans; Succinoglycans; Arabinogalactans; Tragacanth or gum tragacanth or traganth from Astragalus; Gum Karaya from Sterculia urens; Gum Ghatti from Anogeissus latifolia; Derivatives thereof
- C08B37/0063—Glycosaminoglycans or mucopolysaccharides, e.g. keratan sulfate; Derivatives thereof, e.g. fucoidan
- C08B37/0072—Hyaluronic acid, i.e. HA or hyaluronan; Derivatives thereof, e.g. crosslinked hyaluronic acid (hylan) or hyaluronates
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
- C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
- C08J3/075—Macromolecular gels
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/12—Powdering or granulating
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules

Landscapes

Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Organic Chemistry (AREA)
Life Sciences & Earth Sciences (AREA)
Dispersion Chemistry (AREA)
General Health & Medical Sciences (AREA)
Molecular Biology (AREA)
Engineering & Computer Science (AREA)
Biochemistry (AREA)
Materials Engineering (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)
Sustainable Development (AREA)
Medicinal Preparation (AREA)
Cosmetics (AREA)

EP21949450.7A 2021-01-05 2021-12-22 Gel constitué de billes à l'acide hyaluronique à gonflement élevé Pending EP4368643A4 (fr)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
KR20210000632		2021-01-05
KR1020210090011A KR102366394B1 (ko)	2021-01-05	2021-07-08	고팽윤성 히알루론산 비드 겔
PCT/KR2021/019626 WO2023282413A1 (fr)	2021-01-05	2021-12-22	Gel constitué de billes à l'acide hyaluronique à gonflement élevé

Publications (2)

Publication Number	Publication Date
EP4368643A1 EP4368643A1 (fr)	2024-05-15
EP4368643A4 true EP4368643A4 (fr)	2025-07-09

Family

ID=80495575

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP21949450.7A Pending EP4368643A4 (fr)	2021-01-05	2021-12-22	Gel constitué de billes à l'acide hyaluronique à gonflement élevé

Country Status (4)

Country	Link
EP (1)	EP4368643A4 (fr)
KR (1)	KR102366394B1 (fr)
CN (1)	CN117693532A (fr)
WO (1)	WO2023282413A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
KR102296304B1 (ko) *	2020-11-30	2021-09-01	조광용	고팽윤성 히알루론산 비드 겔 제조 방법
CN114736651B (zh) *	2022-04-15	2024-01-05	书香门地集团股份有限公司	一种韧性大豆蛋白胶黏剂及制备方法和应用
KR20240077849A (ko)	2022-11-25	2024-06-03	주식회사 현대바이오랜드	고농도 히알루론산을 유상 매트릭스에 포집한 유분산 화장료 조성물
CN117018288B (zh) *	2023-07-28	2025-10-03	四川大学	一种注射用透明质酸微球的制备方法
CN118947908A (zh) *	2024-09-05	2024-11-15	华熙生物科技股份有限公司	一种爆爆珠及其制备方法

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US4582865A (en) *	1984-12-06	1986-04-15	Biomatrix, Inc.	Cross-linked gels of hyaluronic acid and products containing such gels
IT1247472B (it)	1991-05-31	1994-12-17	Fidia Spa	Processo per la preparazione di microsfere contenenti componenti biologicamente attivi.
KR100548965B1 (ko)	2003-11-03	2006-02-02	박성영	고분자 다당류를 주재로 한 미세구슬 및 그의 제조 방법
KR101250846B1 (ko) *	2005-07-04	2013-04-05	주식회사 엘지생명과학	히알루론산 가교물의 제조방법
KR20080073419A (ko) *	2007-02-06	2008-08-11	주식회사 핸슨바이오텍	의료용 히알루론산 유도체 마이크로비드 및 이의 제조 방법
US9109051B2 (en) *	2007-12-19	2015-08-18	Evonik Goldschmidt Gmbh	Crosslinked hyaluronic acid in emulsion
CN101538377A (zh) *	2008-03-20	2009-09-23	上海昊海生物科技有限公司	一种交联透明质酸凝胶及其制备方法
CN101759881A (zh) *	2008-10-08	2010-06-30	上海建华精细生物制品有限公司	一种医用交联透明质酸钠凝胶衍生产品及其制备方法
US9662282B2 (en)	2013-03-28	2017-05-30	Kpt Ltd	Method for preparing round emulsion beads using low temperature cooling and the product thereof
CN108478875B (zh) *	2018-03-16	2021-06-04	浙江科技学院	一种交联透明质酸凝胶微球的制备方法及其应用
KR102108552B1 (ko)	2018-05-15	2020-05-08	한국세라믹기술원	히알루론산 마이크로비드의 제조 방법 및 상기 히알루론산 마이크로비드의 용도

2021
- 2021-07-08 KR KR1020210090011A patent/KR102366394B1/ko active Active
- 2021-12-22 CN CN202180100223.3A patent/CN117693532A/zh active Pending
- 2021-12-22 EP EP21949450.7A patent/EP4368643A4/fr active Pending
- 2021-12-22 WO PCT/KR2021/019626 patent/WO2023282413A1/fr not_active Ceased

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PENG FANG ET AL: "A Facile Crosslinked Hyaluronic Acid Hydrogel Strategy: Elution Conditions Adjustment", CHEMISTRYSELECT, vol. 10, no. 20, 1 May 2025 (2025-05-01), DE, XP093282415, ISSN: 2365-6549, DOI: 10.1002/slct.202500480 *
See also references of WO2023282413A1 *
SEONG YUN-JEONG ET AL: "Hyaluronic Acid-Based Hybrid Hydrogel Microspheres with Enhanced Structural Stability and High Injectability", vol. 4, no. 9, 12 August 2019 (2019-08-12), US, pages 13834 - 13844, XP093015821, ISSN: 2470-1343, Retrieved from the Internet <URL:http://pubs.acs.org/doi/pdf/10.1021/acsomega.9b01475> DOI: 10.1021/acsomega.9b01475 *

Also Published As

Publication number	Publication date
CN117693532A (zh)	2024-03-12
KR102366394B1 (ko)	2022-02-23
WO2023282413A1 (fr)	2023-01-12
EP4368643A1 (fr)	2024-05-15

Legal Events

Date	Code	Title	Description
2023-01-13	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE
2024-04-12	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2024-04-12	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE
2024-05-15	17P	Request for examination filed	Effective date: 20231213
2024-05-15	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
2024-10-16	DAV	Request for validation of the european patent (deleted)
2024-10-16	DAX	Request for extension of the european patent (deleted)
2025-07-09	A4	Supplementary search report drawn up and despatched	Effective date: 20250611
2025-07-09	RIC1	Information provided on ipc code assigned before grant	Ipc: C08J 3/24 20060101ALI20250604BHEP Ipc: C08J 3/12 20060101ALI20250604BHEP Ipc: C08J 3/075 20060101ALI20250604BHEP Ipc: C08L 5/08 20060101ALI20250604BHEP Ipc: C08B 37/00 20060101ALI20250604BHEP Ipc: C08B 37/08 20060101AFI20250604BHEP
2026-04-23	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: EXAMINATION IS IN PROGRESS

Publication	Publication Date	Title
EP4368643A4 (fr)	2025-07-09	Gel constitué de billes à l'acide hyaluronique à gonflement élevé
EP4262599A4 (fr)	2024-10-30	Système d'interface tissulaire
IL312672A (en)	2024-07-01	Ionic liquid compositions
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JP1713098S (ja)	2022-04-20	モニターアーム
EP4200828A4 (fr)	2024-10-30	Unité d'affichage
EP3994456C0 (fr)	2024-11-27	Électrodes à matrice polymère
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EP4545690A4 (fr)	2026-01-21	Dispositif d'électrolyse
EP4415771A4 (fr)	2025-09-10	Précipités d'acide hyaluronique réticulé
EP4268309C0 (fr)	2025-11-05	Électrolyte polymère
EP4379040A4 (fr)	2025-11-05	Dispositif de culture cellulaire
EP4279636C0 (fr)	2025-07-09	Dispositif d'électrolyse
EP4139429A4 (fr)	2024-04-10	Bougies en gel
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EP4139947A4 (fr)	2023-10-11	Procédé d'affichage d'échantillon
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